61results about How to "Easy to tap" patented technology

The reel tapping device for the garage door is applied to the technical field of reel tapping and comprises a rotary table, four sets of clamping mechanisms, a driving mechanism and a detection assembly, the four sets of clamping mechanisms are circumferentially fixed to the top of the rotary table, the driving mechanism is arranged on the periphery of the rotary table, and the detection assembly is arranged on the rotary table. The rotating table is used for synchronously driving the clamping mechanism to rotate at equal angles, the clamping mechanism is used for clamping a reel to be tapped, the driving mechanism is used for driving, machining and detecting the reel, and the detection assembly is used for detecting the tapping quality and temperature of a threaded hole of the reel. The driving mechanism comprises a first driving assembly, a second driving assembly and a third driving assembly. The first driving assembly comprises a stand column, a first driving part, a second driving part and a tapping tool. And the detection assembly comprises a detection rod, a camera and a temperature sensor. According to the reel tapping device, the quality and efficiency of reel tapping can be improved.

The invention discloses an extra-high voltage insulator, which solves the problem that dust and ice layers on umbrella skirts are not easy to treat when the extra-high voltage insulator is mounted in the air, and comprises a core rod, end connecting columns are symmetrically mounted at two ends of the core rod, umbrella skirt bodies are mounted on the core rod at equal intervals, the upper surfaces of the umbrella skirt bodies are conical, and the lower surfaces of the umbrella skirt bodies are conical. A rotating treatment assembly is installed between the two end connecting columns and comprises a longitudinal plate arranged on one side of the core rod, umbrella skirt treatment units are installed on the longitudinal plate at equal intervals, the number of the umbrella skirt treatment units is the same as that of the umbrella skirt bodies, and the umbrella skirt treatment units correspond to the umbrella skirt bodies one to one; the umbrella skirt processing unit is used for cleaning and icebreaking the top wall of the umbrella skirt body; during working, the top wall of the umbrella skirt body is cleaned through the bristles arranged below the mounting block, the crushing plate above the mounting block is used for crushing an ice layer on the top wall of the umbrella skirt body, and different effects are achieved according to the use environment.

The utility model discloses a double-station tapping machine, and relates to the technical field of tapping machines. The double-station tapping machine comprises a first box body and an adjusting mechanism, a rectangular opening is formed in the front side of the first box body, a supporting frame is fixedly installed at the top of the first box body, a first motor is fixedly installed at the top of the supporting frame, a sliding plate is arranged on the supporting frame, and a rectangular groove is formed in the front side of the supporting frame; a first threaded lead screw is rotatably mounted on the rectangular groove, an output shaft of the first motor is fixedly connected with one end of the first threaded lead screw, a smooth lead screw is fixedly mounted on the rectangular groove, and the distance between the two sets of electric tapping machine heads can be adjusted through cooperative use of a second motor, a rotating rod, a rotating disc, a connecting rod A, a connecting rod B, a T-shaped sliding block and a connecting plate; according to the tapping machine, the situation that only workpieces with specific hole pitches can be machined is avoided, the appropriate hole pitches can be adjusted according to the different workpieces, machining is conducted, operation is convenient and fast, and tapping efficiency is indirectly improved.

The invention discloses a traveling heat exchanger using three-dimensional finned tubes, belongs to the technical field of heat exchangers, and provides the following scheme that the traveling heat exchanger comprises a shell, end sockets are detachably mounted at the two ends of the shell, and fixed tube plates are mounted at the two ends of the interior of the shell; a plurality of three-dimensional heat transfer tubes are jointly arranged in the two fixed tube plates, and a plurality of three-dimensional fin bodies are arranged on the outer walls of the three-dimensional heat transfer tubes; through the arrangement of the cleaning structure and the knocking structure, the knocking frame knocks the interior of the three-dimensional heat transfer pipe, so that stubborn scale stones in the three-dimensional heat transfer pipe are knocked, the scale stones can be conveniently cleaned by a cleaning scraper at the rear, loosening and falling of stubborn dirt are effectively promoted, and the service life of the three-dimensional heat transfer pipe is prolonged. Meanwhile, vibration waves generated by knocking can also be transmitted to the three-dimensional fin body, fine scale stones attached to the outer wall of the three-dimensional fin body can be naturally peeled off due to vibration, therefore, the effect of comprehensively and deeply cleaning the whole heat exchange surface is achieved, operation is convenient and fast, and the working efficiency is guaranteed.

The invention discloses a motor control method, a motor controller and an automobile, whether a motor is in a start-stop working condition or not is determined by acquiring a torque request value and a current rotating speed of the motor, and when it is determined that the motor is in the start-stop working condition, reverse compensation is performed on the torque request value to obtain a torque target value; the absolute value of the torque target value is made smaller than the absolute value of the torque request value. And the torque target value is applied to the motor, so that the torque of the motor is smaller than the torque request value, the control precision of the motor torque is optimized under the small torque and zero-crossing torque response working condition, the motor torque is prevented from being over-adjusted, and the impact force of the motor torque on the gear mechanism under the small torque and zero-crossing torque response working condition is reduced. And the gear knocking problem under the starting and stopping working conditions is further optimized, knocking noise generated by the gear is reduced, and the comfort of a driver and passengers is improved.

The utility model discloses a nut processing device, which relates to the nut processing field, and comprises a fixed base, four corners of the upper surface of the fixed base are fixedly provided with support columns, the upper surfaces of the support columns are fixedly connected with a device bottom plate, the left and right side edges of the device bottom plate are fixedly connected with side plates, and the left and right side edges of the device bottom plate are fixedly connected with the side plates. Second motors are fixedly connected to the upper surfaces of the side plates correspondingly, the output ends of the second motors penetrate through the upper surfaces of the side plates and are fixedly connected with second threaded rods, and by loosening first locking bolts and second locking bolts, the first inserting blocks are pulled out of the first inserting grooves, and the second inserting blocks are pulled out of the second inserting grooves correspondingly. The drill bit and the screw tap can be detached and then replaced, nuts of different sizes can be conveniently drilled and tapped, the electric telescopic rod on the inner side of the mounting plate drives the clamping plate to move, the nuts of different specifications can be clamped and fixed, and the stability of the nut tapping process is guaranteed.

The utility model discloses a heat exchanger tube plate automatic tapping machine which comprises a machine frame, a lifting assembly, a moving assembly, a drilling assembly and a clamping assembly, the moving assembly is arranged at one end of the top of the machine frame, the clamping assembly is installed at the other end of the top of the machine frame, and the bottom of the lifting assembly is installed on the moving assembly. The lifting assembly is provided with the drilling assembly, the lifting assembly drives the drilling assembly to move up and down, and the drilling assembly is located above the clamping assembly. The automatic tapping machine for the heat exchanger tube plate is high in production efficiency and product quality, the positions of threaded holes are consistent, and follow-up installation is facilitated.

The utility model relates to the technical field of machining, in particular to a device for screw tapping. Comprising an inverted-U-shaped support, the upper end of the support is in threaded connection with an adjusting bolt, an inverted-L-shaped supporting arm is fixed to the front side of the support, a fixing rod is fixed to the supporting arm, a sliding rod is arranged on the fixing rod in a sliding mode, a motor is fixed to the rear end of the sliding rod, a chuck is fixed to an output shaft of the motor, a screw tap is clamped and fixed to the chuck, and a driving assembly is installed on the sliding rod. The driving assembly can drive the sliding rod to move, and a positioning assembly is arranged at the front end of the support. When punching or tapping is carried out on the cross brace of the frame, the support is located on the outer side of the cross brace of the frame, the position of the device in the length direction of the cross brace can be adjusted by moving the support, the adjusting bolt is rotated, and the height of the device can be adjusted by continuously rotating the adjusting bolt after the adjusting bolt makes contact with the upper end of the cross brace. And therefore, the screw tap can conveniently correspond to the hole in the cross brace.

The utility model provides a tapping machine for baffle machining, and belongs to the technical field of tapping machines for baffle machining. The tapping machine for baffle machining comprises an installation frame, a limiting mechanism comprises a hydraulic cylinder, and the hydraulic cylinder is fixed in the installation frame. Through mutual cooperation of a conveying belt, the installation frame, the hydraulic cylinder, a motor, an installation rod, a residual gear, a tapping machine body and a limiting block, firstly, a baffle is placed on the conveying belt and conveyed; when the baffle is conveyed to the position below the mounting frame, the motor is closed, then the hydraulic cylinder is controlled to be recycled, the fixing block is driven to move upwards, when the fixing block moves upwards, the mounting rod rotates, the mounting rod drives the residual gear to rotate synchronously, and therefore the two sets of limiting blocks move oppositely to limit the two sides of the baffle; and the tapping machine bodies at different positions are controlled to drill the baffle, so that the working efficiency is improved, the tapping precision is improved, and the firmness of subsequent use of the subsequent baffle is ensured.

The invention discloses a multi-axis numerical control machine tool, and relates to the technical field of numerical control machine tools. The device comprises a machine body and mounting frames, the mounting frames are evenly distributed at the top of the machine body, the bottoms of the mounting frames are hinged to the machine body, rotation driving assemblies are arranged on the inner sides of the mounting frames, and displacement assemblies are arranged between the rotation driving assemblies and the mounting frames. The displacement assembly is used for driving the rotary driving assembly to move relative to the mounting frame, a screw tap is mounted at the bottom of the rotary driving assembly, the rotary driving assembly is used for driving the screw tap to rotate, and first threaded rods are rotationally connected to the positions, flush with the mounting frame, of the bottom of the machine body. According to the multi-shaft tapping machine, screw taps of different specifications are installed on multiple shafts, the practicability is improved, meanwhile, the stability of tapping operation is improved, the effect of reducing the speed and increasing the torque of the screw taps can be achieved in the tapping process, it is guaranteed that tapping is conducted stably, and the tapping efficiency is improved.

The utility model relates to the field of nut machining equipment, and discloses an efficient nut tapping machine which comprises a base, a first motor is arranged in the base, the output end of the first motor is fixedly connected with a first rotating column, the outer wall of the first rotating column is fixedly connected with a fixing plate, and the inner wall of the fixing plate is fixedly connected with a clamping column. A second rotating column is rotatably connected to the inner wall of the base, a clamping plate is fixedly connected to the outer wall of the second rotating column, a partition plate is rotatably connected to the outer wall of the second rotating column, a chassis is rotatably connected to the outer wall of the second rotating column, a rotating plate is rotatably connected to the upper surface of the chassis, and a conveying belt assembly is rotatably connected to the outer wall of the partition plate. A first motor is started to drive a first rotating column to drive a fixing plate and a clamping column to rotate, a clamping plate and a second rotating column are driven to rotate, a rotating plate is driven to convey nuts, the nuts are taken to a discharging barrel by the rotating plate after being tapped, rapid feeding and discharging of the nuts are achieved, and the working efficiency is improved.

The utility model relates to a constructional column dustpan opening chiseling-free device which comprises a dustpan plate and a fixing plate and further comprises a lifting mechanism, the lifting mechanism comprises a box body and a lifting plate, the box body is provided with a plurality of sliding grooves, connecting blocks are connected in the sliding grooves, the connecting blocks are connected with an adjusting plate, the box body is connected with two mounting plates, and the two mounting plates are connected with the lifting plate. A screw rod is connected between the two mounting plates, an adjusting block is screwed on the screw rod, a fixing block is connected to the fixing plate, a first rotating rod and a second rotating rod are rotatably connected to the fixing block, the first rotating rod is connected with the screw rod, a first bevel gear fixedly sleeves the first rotating rod, and a second bevel gear is arranged on the second rotating rod; according to the device, the connecting area of the dustpan opening and the constructional column is reduced, redundant concrete blocks can be removed in a knocking mode, and therefore the problems that in the prior art, due to the fact that excessive concrete is large in size and high in hardness, construction wastes time and labor are solved, and the problem that pouring of the top of the chiseling-free constructional column is not compact is solved.

The invention discloses a mold for plastic injection molding, which relates to the technical field of plastic molding processing, and comprises a bottom plate and vertical rods symmetrically fixed around the top of the bottom plate, the top ends of the vertical rods are fixedly connected to the same top plate, and also comprises: a hydraulic rod is symmetrically fixedly installed inside the top plate, an upper die is installed below the top plate, an injection tube is installed on the top of the upper die, a lower mold plate is fixedly installed in the middle of the top of the bottom plate, a knocking assembly is arranged inside the lower mold plate, and a cooling assembly is arranged on the outer side of the upper die; the knocking assembly comprises a pressing plate, the bottom ends of the telescopic parts of the two hydraulic rods are fixedly connected to the top of the pressing plate, and the top of the upper die is symmetrically fixedly connected to a sliding rod, which solves the problem that bubbles may be generated inside the cavity during the injection molding process, and if the bubbles are not processed, these bubbles will affect the injection molding effect, thereby affecting the quality of the final finished plastic parts.

The utility model discloses a scaffold steel pipe fast safe fixing device relates to the field of building engineering technology, the utility model discloses a vertical rod and cross bar, and the cross bar top is passed through and has the latch, and the latch top is connected with the expansion board, and the cross bar top one side is connected with the top frame, and the top frame bottom both sides all are fixed with the reinforcing plate, the utility model discloses the setting of expansion board has effectively increased the hammering stress area of several times latch top, has reduced the construction personnel hammering deviation probability greatly, this not only reduces the invalid operation time, promotes the installation efficiency, also avoided the component deformation and coating damage caused by hammering vertical rod or disc, reduced the later maintenance cost, guaranteed the node connection accuracy simultaneously, strengthened the security of scaffold overall structure, convenient with the knock of latch, reduce the hammering deviation phenomenon to occur.

The present invention discloses a method for reducing the hardness of a 420w material by combining a sintering method with heat treatment annealing. The method adjusts the rate of the cooling stage of the sintering process, that is, first keeping the temperature at 800°C, then keeping the temperature at a cooling rate of 50°C / min from 800°C to 500°C, and then cooling from 500°C to room temperature with the furnace. The design of the present invention is reasonable, and the heat treatment annealing process and the sintering cooling stage of the 420w stainless steel material are combined. The sintering hardness of the 420w stainless steel material can be reduced by adjusting the parameters of the cooling stage of the sintering process, which is convenient for subsequent shaping, tapping, polishing and other processes, and there is no need to use a special heat treatment furnace for annealing, which reduces the heating and cooling time of the special heat treatment furnace, and reduces the material transfer time, saving labor costs, which is equivalent to reducing the cost of heat treatment, and the size and hardness stability of the sintered product are more suitable for mass production.

The invention provides a preparation device and method based on Cu-Pb-Sn composite metal processing, and relates to the technical field of forging devices. The device comprises a device body, a placement assembly is installed on the device body and composed of a placement table, a first rotating shaft, a worm gear, a worm and a motor, the placement table is rotationally arranged on the device body and is of a step-shaped structure, the first rotating shaft is welded to the bottom end face of the placement table, and the worm gear is welded to the first rotating shaft; a worm is rotationally arranged on the equipment main body, the worm is meshed with the worm gear, a motor is fixed on the equipment main body, and an output shaft of the motor is fixed on the worm. According to the forging device, through the arrangement of the knocking assembly, on one hand, the knocking position can be adjusted through stretching out and drawing back of the electric cylinder, and the forging flexibility is improved; and on the other hand, when the electric cylinder stretches out and draws back, the cleaning block is driven to clean residues on the top end faces of the equipment body and the containing table, an independent electric element is not needed to drive the cleaning block, and the structure is high.

The utility model belongs to the technical field of nitrogen making machines, and particularly relates to a novel nitrogen making machine for organic silicon resin, which comprises a base, a handrail, a water tank, a nitrogen making unit, a collecting box and a low-temperature storage tank are fixedly connected onto the base, an air pump is arranged above the collecting box, a collecting box is fixedly connected above the water tank, and an opening and closing door is arranged at the front end of the collecting box. An air box is fixedly connected to the upper portion of the collecting box and communicates with a pipeline, and a humidity sensor is arranged on the pipeline. According to the novel nitrogen making machine for the organic silicon resin, a rotating block is driven by a motor to rotate, a first connecting rod and a second connecting rod can be driven to move together under the action of a movable groove, a cylinder, a fixing rod and a first fixing column, the second connecting rod can drive a gear to intermittently rotate through a rack of the second connecting rod, and a folding plate can be continuously touched through rotation of the gear; and therefore, the knocking hammer is driven to intermittently knock the filter screen, and dust attached to the filter screen can be conveniently knocked down.

The invention discloses a reinforcing steel bar bending device for construction engineering construction, which comprises a base, a bending cylinder is fixedly connected to the bottom of an inner cavity of the base, the reinforcing steel bar bending device further comprises a connecting plate, the connecting plate is slidably connected to the inner surface of the base, and a moving block is fixedly connected to the outer surface of the connecting plate; the side, away from the connecting plate, of the moving block is fixedly connected with a mounting frame, and the inner surface of the mounting frame is fixedly connected with a bending block. And the fixing assembly is fixedly connected to the top of the base, and a protection assembly is fixedly connected to the position, away from the fixing assembly, of the base. According to the reinforcing steel bar bending device for construction engineering construction, the two fixing assemblies are arranged on the base, so that reinforcing steel bars can be fixed by the fixing assemblies, the reinforcing steel bars are tightly jacked by the bending blocks after the reinforcing steel bars are clamped on the fixing assemblies, the bending strength of the reinforcing steel bars on the fixing assemblies is ensured, and the situation that the reinforcing steel bars are not bent thoroughly during bending is prevented.

The utility model discloses an electrolytic cell anode rod knocking device which comprises a bearing seat, a handle arranged at the end part of the bearing seat, a bearing table arranged on the upper surface of the bearing seat, a turntable arranged on the upper surface of the bearing table, a sleeve rod fixed on the upper surface of the turntable, and a support rod sleeved in the sleeve rod, the end, away from the sleeve rod, of the supporting rod is connected with an air hammer through an adjusting gear, a driving gear is further arranged outside the air hammer and meshed with the adjusting gear, a pneumatic rotating motor is connected outside the driving gear, the pneumatic rotating motor communicates with a quick connector through a second air pipe, and the quick connector is installed at the end of the grip. According to the electrolytic bath anode guide rod knocking device, the telescopic air cylinder is controlled to drive the sleeve rod and the supporting rod to drive the air hammer to be close to the side face of the anode guide rod, the air hammer is used for knocking the anode guide rod to generate vibration, the falling risk of workers during high-place operation can be prevented, and meanwhile the labor intensity of the workers is reduced.

The invention belongs to the technical field of cinder ladle removing stamping dies, and particularly relates to a material handle cinder ladle removing stamping die of a motor shell, which comprises a punching device, the punching device comprises an upper die block and a lower die block, a motor shell forming part is placed in the lower die block, and a material handle body is arranged on the side edge of the motor shell forming part. A front-end extending cinder ladle is arranged at one end of the motor shell forming part, an annular cinder ladle is arranged at the other end of the motor shell forming part, the upper die block is driven by electric power in the punching device to descend, and in the descending process of the upper die block, the lower portion of the upper die block gradually makes contact with the material handle body, the front-end extending cinder ladle and the annular cinder ladle. Therefore, the material handle body, the front-end extending cinder ladle and the annular cinder ladle can be punched off by the descending upper die block, that is, the material handle body, the front-end extending cinder ladle and the annular cinder ladle can be separated from the motor shell forming part, and as the inner cavities of the upper die block and the lower die block are matched with the motor shell forming part, the motor shell forming part cannot be damaged when the cinder ladles are punched and removed.

The utility model discloses an anchoring device for preventing landslide, which relates to the technical field of anchoring and comprises an anchoring device. The anchoring device is composed of a punch rod, an anchor rod and a nut, the punch rod is movably installed in the anchor rod, a punch head is arranged on the upper side of the punch rod, the punch head and the punch rod are integrally arranged, a hollow groove is formed in the position, corresponding to the punch head, in the anchor rod, a gasket is arranged at the upper end of the anchor rod, the upper side of the anchor rod is sleeved with the gasket, and the nut is arranged in the hollow groove. A nut is arranged at the upper end of the anchor rod and rotationally installed on the upper side of the anchor rod. The punching rod is knocked by the knocking hammer, the punching rod drives the punching head to impact the hollow groove in the anchor rod, the tail end position of the hollow groove is expanded by the punching head in the impact process due to the fact that the punching head is conical, the anchor rod is bent and deformed, the contact area between the anchor rod and the installation position is increased, and the anchor rod is prevented from being damaged. The anchor rod is more stably installed, and landslide is not prone to happening.

The utility model discloses a plastic sunshade net production ingredient stirring device which comprises a support, the top of the support is fixedly connected with a double-shaft motor, the bottom of the double-shaft motor is fixedly connected with a lead screw, the surface of the lead screw is in threaded connection with a threaded sleeve, and the right side of the threaded sleeve is movably connected with a movable rod. The right side of the movable rod is movably connected with a movable seat, the right side of the movable seat is fixedly connected with a stirring barrel, the top of the double-shaft motor is fixedly connected with a threaded rod, and the surface of the threaded rod is in threaded connection with a connecting rod. By arranging the double-shaft motor, the lead screw, the threaded sleeve, the movable rod and the movable seat, the stirring barrel can be conveniently driven to shake left and right in a reciprocating mode, by arranging the threaded rod and the connecting rod, the stirring roller can conveniently reciprocate, by arranging the driving motor and the stirring roller, materials can be conveniently stirred, and by arranging the servo motor, the connecting plate, the elastic telescopic rod and the knocking block, the stirring efficiency is improved. The stirring barrel can be conveniently knocked, so that the stirring is efficient.

The utility model discloses a mould for processing crunchy rice candy, which comprises a chain plate type conveying belt, a plurality of mould cavities are arranged on a chain plate of the chain plate type conveying belt, a knocking component is further arranged below the conveying tail end of the chain plate type conveying belt, and the knocking component is contacted with the chain plate to realize knocking. According to the mold, the mold cavities are formed in the chain plates, so that automatic processing of the crunchy rice candies can be facilitated, the unformed crunchy rice candies can be conveniently put into the mold cavities to be pressed, cooled and shaped, meanwhile, the shaped crunchy rice candies can be conveniently discharged from the mold cavities in combination with the knocking assemblies, and automatic forming processing of the crunchy rice candies is achieved.

The utility model relates to the technical field of molecular sieve adsorbers, and discloses a filterable anti-blocking molecular sieve adsorber which comprises a shell, a sealing door is arranged on the front side of the shell, supporting legs are fixedly mounted at the bottom of the shell, a fixing plate is fixedly mounted at the bottoms of the supporting legs, a filtering mechanism is arranged at the top of the shell, and the filtering mechanism is arranged on the front side of the shell. A processing mechanism is arranged in the shell, gas is conveniently filtered through a flexible filter screen, a filter frame is conveniently limited through a stop rod, a cover plate is rapidly limited and disassembled through an insertion rod, operation is rapid, a double-shaft motor is started to enable a rotating rod to rotate, and under cooperation of a knocking block, the cover plate can be conveniently separated from the filter frame, so that the cover plate can be conveniently separated from the filter frame. And a hand wheel is manually rotated, so that a rotating drum and a connecting rod are rotated until a roller is in contact with the filtering frame, and the filtering frame is conveniently lifted and taken.

A new energy automobile discharge socket is characterized by mainly comprising a shell, an insulating cap, a pin, a first copper bar, an upper mounting plate, a PCB, a microswitch, a protection door spring, a bottom mounting plate, a first protection door, a second protection door, a lower mounting plate and a second copper bar. Compared with a wire connection structure in the market, the connection structure of the copper bar and the contact pin is convenient to tap, the defect that the wires are wound too much and disorderly is overcome, meanwhile, the copper bar can effectively prevent a load from being on fire, many hidden dangers are reduced, the copper bar and the contact pin are connected in a riveting mode, the link that the wires need to be soldered is reduced, and the service life of the copper bar and the contact pin is prolonged. And the reliability is higher than that of wire connection. And the position of the external microswitch can be customized to change the function, so that the function optimization is realized.

The invention relates to the technical field of hydraulic element detection, in particular to an anti-impact high-pressure hydraulic valve and a valve element detection device thereof.The anti-impact high-pressure hydraulic valve comprises a detection box used for detecting the hydraulic valve, lifting plates are slidably installed on the two sides of an inner cavity of the detection box through electric sliding blocks, and side plates are fixedly installed on the sides, close to each other, of the lifting plates on the two sides; according to the hydraulic valve detection device, the electric sliding blocks are started to drive the lifting plate to ascend and descend in the detection box, and therefore the hydraulic valve can be conveniently installed on the supporting assembly; when the lifting plate drives the supporting assembly to move downwards, the strength of a valve element of the fixed hydraulic valve and the airtightness test of the interior of the hydraulic valve are carried out, and when a compression rod is compressed to inject air into the hydraulic valve, air can be injected into an air bag at the same time. And after the air in the air bag is completely injected, the air bag blocks the internal port of the hydraulic valve, then clear water is injected into the detection box, and whether continuous bubbles are generated in the clear water or not is observed.

The invention relates to the technical field of building construction, in particular to a ceramic tile hollowing detection marking device for building construction, which comprises a detection marking device body, a swing plate is arranged at the top of the detection marking device body, a limiting sleeve is fixedly connected to one side of the swing plate, a buffer is fixedly connected in the limiting sleeve, and one end of the buffer is fixedly connected with a connecting rod. A metal ball is fixedly connected to one end of the connecting rod, a first sleeve is arranged on the lower side of the metal ball, a second sleeve is mounted at the upper end of the first sleeve, a holding rod is mounted at the lower end of the second sleeve, and a sponge sleeve fixedly sleeves the outer ring surface of the holding rod; the wall hollowing hammer has the beneficial effects that the marking pen and the graduated scale are arranged, the hollowing position can be recorded more accurately, the area size can be calculated more accurately, the hollowing position of a wall can be repaired better in the follow-up process, the buffer is arranged, damping can be conducted on the hollowing hammer better, and the service life of the hollowing hammer is prolonged. And the discomfort of the hand during knocking and the knocking marks possibly left when the ceramic tile is knocked by the metal ball 6 are reduced.

The utility model relates to the technical field of tapping machine feeding mechanisms, in particular to a tapping machine feeding mechanism with a guide structure, which comprises a base, a conveying belt and a tapping machine body, the conveying belt is mounted above the base, supports are arranged on two sides of the front end of the conveying belt, and electric telescopic rods are connected to the tops of the two supports. The telescopic ends of the electric telescopic rods are oppositely arranged and connected with guide plates, and the ends, facing the conveying direction of the conveying belt, of the two guide plates are each in an inwards-bent arc shape. A fixing mechanism is arranged on the conveying belt; supporting columns are symmetrically arranged on the base and located on the two sides of the conveying belt, and the tapping machine body is connected with the two supporting columns through a lifting mechanism. An infrared sensor is arranged on the bottom end face of the tapping machine body, a controller is arranged above the tapping machine body, and by arranging the guide plate with the tail end in the shape of the inwards-bent arc, when a part body is conveyed through the conveying belt, the guide plate can guide the part body to the position of the upper middle end of the conveying belt, and subsequent fixing and limiting of a fixing mechanism are facilitated for tapping operation.